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Instrument: ISAMS : Improved Stratospheric And Mesospheric Sounder
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The Space Shuttle Discovery carrying UARS was launched on September
12, 1991 from Kennedy Space Flight Center. UARS was released to orbit
on September 15, 1991, and the Improved Stratospheric and Mesospheric
Sounder (ISAMS) began scientific observations of the earth's upper
atmosphere September 26, 1991.
ISAMS is a limb-sounding radiometer which uses a combination of
pressure-modulated and wide-band infrared channels to measure Carbon
Monoxide, Water Vapour, Nitrogen Dioxide, Nitric Acid, Ozone, Nitric
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Instrument Logistics
Instrument Owner: NASA

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